<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <meta http-equiv="X-UA-Compatible" content="ie=edge" />
        <title>设置元素转换中心点</title>
        <style>
            div {
                width: 200px;
                height: 200px;
                background-color: pink;
                margin: 100px auto;
                transition: all 1s;
                /* 1.可以跟方位名词 */
                /* transform-origin: left bottom; */
                /* 2. 默认的是 50%  50%  等价于 center center */
                /* 3. 可以是px 像素 */
                transform-origin: 50px 50px;
            }

            div:hover {
                transform: rotate(360deg);
            }
        </style>
    </head>

    <body>
        <div></div>
    </body>
</html>
